.Top{
  height: 50px;
  background-color: red;
  display: flex;
  align-items: center;
  justify-content: center;
}
.Top input{
  width: 300px;
  height: 35px;
  border-radius: 20px;
}
.Banner{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.item{
  width: 180px;
  display: flex;
  align-items: center;
  flex-direction: column;
}